Necessary preliminary tasks

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect BATTERY NEGATIVE LEAD
Remove OPERATOR UNIT FOR HEATER/AIR CONDITIONER (with CCC/ASK)
Remove CENTRE CONSOLE SWITCH CLUSTER (with CCC/ASK)

NOTE: Comply with notes and instructions on HANDLING OPTICAL WAVEGUIDES .

Release screws (1).

Pull back audio system controller (2) slightly.

Unlock associated plug connections and disconnect.

Remove audio system controller (2).

Fig 1: Removing Audio System Controller

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out programming/coding.